Aspirin and gastrointestinal bleeding.
D001241:Aspirin / Q000009:adverse effects*; D002908:Chronic Disease; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000139:chemically induced*; D006801:Humans; D008551:Melena / Q000139:chemically induced; D013276:Stomach Ulcer / Q000150:complications
D001241:Aspirin